ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,344, issued on Oct. 21.
"Hood filter diagnostic machine" was invented by Dustin Hasselius (Mora, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a diagnostic machine designed to evaluate the performance of kitchen exhaust hood filters in commercial settings. The machine measures critical parameters, including airflow (CFM), static pressure drop, and grease buildup weight, to optimize filter maintenance schedules. It features a sealed filter chamber accommodating standard hood filters, a centrifugal blower for controlled airflow generation, and a honeycomb flow straightener to ensure laminar airflow. Integrated sensors p...